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Test Code LAB4132 LACTATE DEHYDROGENASE, CSF

Important Note

Sample must be walked to the laboratory. Do not use tube system.

Specimen Type

Sterile CSF Collection Tube

Specimen Volume

1.0 mL

Minimum Volume

1.0 mL

Turnaround Time

STAT: 1 hour
Routine: 4 hours

Test Schedule

Daily

Sample Stability

Room Temp: 7 days
Refrigerated: 4 days
Frozen: 6 weeks (applies only to CSF LDH)
Frozen: 1 month (applies only to CSF "Hold" tube)

Specimen Processing

Traditionally ran off CSF tube #2.
Centrifuge immediately to remove any cellular material and transfer into a secondary container.Print an aliquot label and handwrite CSF tube #.
Avoid hemolysis.

Method

Photometric

Synonyms

LDH, CSF; LD, CSF

CPT Codes

83615

Rejection Criteria

Any hemolysis, CSF